A linear programming problem has three constraints, plus nonnegativity constraints on X and Y. The constraints are: 2X + 10Y ? 100; 4X + 6Y ? 120; 6X + 3Y ? 90
What is the largest quantity of X that can be made without violating any of these constraints?
A) 50
B) 30
C) 20
D) 15
E) 10
B
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There is a 30% chance that any current client of company A will switch to company B this year. There is a 40% chance that any client of company B will switch to company A this year
If these probabilities are stable over the years, and if company A has 500 clients and company B has 300 clients, (a) how many clients will each company have next year? (b) how many clients will each company have in two years?